1Fits Front Mount Cylinder Parts: HC5340, HC5341, HC5342, HC5343, HC5344, HC5345, HC5346, HC5347, HC5348, HC5358, HC5365, HC5375, HC5394, HC5445, HC6750, HC6751, HC6752, HC6753, HC6754, HC6755 2Superior Construction: The cylinder seal kit is precise CNC machined from aluminum, steel, and rubber materials. This ensures its durability and ability to withstand the harsh marine environment. 3High Performance: The seal kit is engineered to provide high performance, used for repairing leaking or weeping cylinder seals to keep your boat at optimal performance on the water. 4Rustproof: The seal kit is designed to resist rust, preventing damage caused by saltwater exposure. This ensures that the seals remain intact and maintain optimal performance over time. 5Long Service Life: With its durable construction, the steering cylinder seal kit offers a long service life. This means you can rely on it for extended periods without worrying about frequent replacements or repairs.